You must be joking

Frightened? You must be joking!

害怕? 你一定是在开玩笑!

Learning English is a plain breeze? You must be joking!

学英语容易? 你是开玩笑吧!

What? You must be joking.

什么? 你一定是开玩笑.

"Go! Please go." — "You must be joking!"

“走吧！请走吧。”——“你一定是在开玩笑吧！”

C'mon baby tell me, you must be joking, right?

亲爱的来告诉我, 你那一定是在开玩笑, 对 吗 ?

You must be joking! You have to go to school.

你一定是在开玩笑! 你必须去上学.

You must be joking. ( you can not be serious. )

你一定是在开玩笑. ( 你不可能是当真的 )

You must be joking.

你一定是在开玩笑吧.

You must be joking. They're barely making ends meet.

你一定是在说笑. 他们刚够收支相抵.

Now you must be joking.

你是说笑罢.

Is it true? You must be joking!

是真的 吗 ?你是在开玩笑吧!

A 20 % discount, you must be joking.

百分之二十的折扣, 你肯定在说笑话吧.

You must be joking that't the best that you have?

你一定是在开我玩笑吧这居然是你最好的问题?

You must be joking. He went to Europe yesterday!

开玩笑吧? 他昨天就去欧洲了!

You must be joking, aren't you?

你一定在开玩笑, 不是 吗 ?